Kent County, MD

ZIP 21645

In ZIP 21645, 3 of the 12 things we check have at least one part graded D or F.

• Drinking water: Angelica Nurseries - Nursery View meets every EPA legal limit; 2 contaminants are above health goals, led by pfoa at 71× California’s Public Health Goal.
• Closer to Superfund sites than 56% of U.S. neighborhoods, with no listed site within 10 miles of its center.
• Largest share of modeled toxic air from industry: Tnemec Co Inc (49%), mostly diisocyanates.
• Fine particles (PM2.5) average 7.2 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 138,188 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 21645

• Superfund sites nearbyA to C
• Factories and industrial sitesA to B
• Oil and gas wellsA
• Parks and nature nearbyC
• Air qualityB
• Drinking water qualityB
• Pesticide useF
• Neighborhood health statusD to F
• Past wildfire impactsA
• Past flood impactsB to C
• Noise levelsD
• Radiation signalsB

Based on 2 census tracts · compiled October 25, 2026 · how each grade works and its sources

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